Cooling Silk Sleep Eye Mask – Blackout Mask for Perimenopause Restless Nights

All Phase products are independently lab-tested before they reach you. We check certificates of analysis — not just trust the label.

• No parabens, sulfates, or hormone disruptors
• Free from artificial colors and synthetic fragrances
• Manufactured in FDA-registered, cGMP-certified facilities
• Full COA available on request at hello@phasewellness.com

Best results come from consistency. Most customers notice a meaningful difference within 14–21 days of regular use. Give it at least 30 days before making a judgment.

• Use at the same time each day to build a reliable habit
• Pair with consistent sleep and adequate hydration
• If you take prescription medications, check with your provider before adding any supplement
• Our 60-day guarantee exists precisely because some bodies take longer to respond — don't quit at week two

Every product in the Phase catalog is reviewed by our Clinical Advisory Board — led by Dr. Sandra Park, PharmD — against primary peer-reviewed literature. Our standard: at least one randomized controlled trial supporting the main efficacy claim.

• RCT-level evidence required — not just mechanistic data
• Products are reassessed annually; removed if evidence weakens
• No MLM brands, no influencer-launched wellness lines
• Safety profile reviewed for hormone-sensitive conditions before catalog entry

• Free standard shipping on orders over $50 (US domestic)
• Orders placed before 2pm ET ship same business day
• Standard delivery: 3–5 business days · Express 2-day available at checkout
• 60-Day Relief Guarantee: If you don't experience meaningful improvement in your target symptom within 60 days, we'll refund you in full. No return required. No questions. No fine print.
• Email hello@phasewellness.com within 60 days of delivery to request a refund